Stemedu DC0-25V Voltage Detection Module Voltage Sensor for Arduino Raspberry Pi (pack of 5pcs)

Q: How well does this unit work for a range between 0v to 1v dc?

It divides by 5. if all you need is a reading of 0 to .2v than it would work.

Q: Does this sensor work with a raspberry pi zero? i need to sense ac voltage (on/off). do you guys have anything maybe with an opto isolater

Sorry, for raspberry pi zero, you can not use this voltage sensor, you can use Voltage transformer module and ADS1115 module.

Q: Does this sensor work with a raspberry pi 4 b? thank you.

It is a Voltage divider of resistors that divides by 5. 25v in gives 5 v out for a input to a port that needs to measure voltage. I needed it for an Arduino, but you can also use it on a Raspberry Pi. It is only a voltage divider. You could make your own with 2 resistors, that's all that is on the sensor. I just didn't want to look around when a unit with the resistors readily available.

4.4/5

Product ID: 712662610

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⚡0-25V DC input range

🎯0.02445V minimum detection

📏0.00489V analog resolution

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Description

⚡ Empower your DIY electronics with precision voltage detection!

WIDE INPUT RANGE - Supports DC voltages from 0 up to 25V, perfect for diverse Arduino and Raspberry Pi projects.
BULK PACK ADVANTAGE - Get 5 modules in one pack—ideal for multi-project setups or team collaborations.
RESISTIVE DIVIDER DESIGN - Safely scales input voltage 5x down to Arduino-compatible levels, protecting your board.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino and Raspberry Pi analog inputs for rapid prototyping.
PRECISION VOLTAGE SENSING - Detect voltages as low as 0.02445V with ultra-fine resolution for flawless readings.

The Stemedu DC0-25V Voltage Detection Module is a 5-pack sensor set designed for Arduino and Raspberry Pi users, featuring a resistive divider that scales input voltage by 5x to safely measure up to 25V DC. It offers a high analog resolution of 0.00489V and can detect voltages as low as 0.02445V, making it ideal for precise voltage monitoring in diverse electronics projects.